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June 10th, 2026 :: 5:05 am CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated June 10th at 3:54 am 
Temperature:79°F Dew Point:75°F
Barometer:29.89 inHg Wind:N 24 Mph
Humidity:88.8% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jun 10th
Thursday
Jun 11th
Friday
Jun 12th
Saturday
Jun 13th
Sunday
Jun 14th
Thundershowers Thundershowers Mostly Cloudy with Showers Mostly Sunny Mix of Sun and Cloud
89°F
89°F
70°F
77°F
60°F
80°F
61°F
75°F
63°F
 
 Decatur Detailed Weather Forecast  
 
Wednesday, June 10th, 2026
Morning Temperature: 79°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 88°F
A mix of sun and cloud. Chance of a thunderstorm. Windy.
Evening Temperature: 80°F
Clear with cloudy periods with a few showers. Chance of a thunderstorm. Windy.
Thursday, June 11th, 2026
Overnight Temperature: 73°F
A mix of clear and cloudy skies with showers. Chance of a thunderstorm. Windy at times.
Morning Temperature: 78°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 88°F
Mostly sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 77°F
A mix of cloudy and clear skies with a few showers. Chance of a thunderstorm. Windy.
Friday, June 12th, 2026
Overnight Temperature: 62°F
Clear with a few showers. Windy at times.
Morning Temperature: 65°F
Sunny. Windy at times.
Afternoon Temperature: 76°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear.
Saturday, June 13th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 69°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 79°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
Clear with cloudy periods. Chance of a thunderstorm.
Sunday, June 14th, 2026
Overnight Temperature: 68°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers. Windy at times.
Morning Temperature: 64°F
A mix of cloud and sun with a slight chance of showers. Windy at times.
Afternoon Temperature: 74°F
Mostly sunny.
Evening Temperature: 67°F
Clear with cloudy periods.
Monday, June 15th, 2026
Overnight Temperature: 58°F
Clear with cloudy periods.
Morning Temperature: 62°F
Mostly cloudy with a slight chance of showers.
Afternoon Temperature: 59°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 55°F
Cloudy with clear periods with a chance of showers. Windy at times.
Tuesday, June 16th, 2026
Overnight Temperature: 55°F
A mix of clear and cloudy skies with a slight chance of showers.
Morning Temperature: 61°F
Mostly sunny.
Afternoon Temperature: 68°F
Mostly sunny with a chance of showers.
Evening Temperature: 63°F
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm.
Wednesday, June 17th, 2026
Overnight Temperature: 57°F
Mostly clear with a slight chance of showers.
Morning Temperature: 63°F
Sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 71°F
Sunny with a chance of showers or thundershowers. Windy.
Evening Temperature: 63°F
Clear with a chance of showers. Slight chance of a thunderstorm.
Thursday, June 18th, 2026
Overnight Temperature: 55°F
Clear with cloudy periods.
Morning Temperature: 62°F
Sunny.
Afternoon Temperature: 74°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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